90260985 has 8 divisors (see below), whose sum is σ = 144417600. Its totient is φ = 48139184.

The previous prime is 90260971. The next prime is 90261011. The reversal of 90260985 is 58906209.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90260985 - 2⁵ = 90260953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008685 + ... + 3008714.

It is an arithmetic number, because the mean of its divisors is an integer number (18052200).

Almost surely, 2^90260985 is an apocalyptic number.

It is an amenable number.

90260985 is a deficient number, since it is larger than the sum of its proper divisors (54156615).

90260985 is a wasteful number, since it uses less digits than its factorization.

90260985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017407.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90260985 is about 9500.5781403028. The cubic root of 90260985 is about 448.5732341769.

The spelling of 90260985 in words is "ninety million, two hundred sixty thousand, nine hundred eighty-five".